Answer
Alistair Overeem claimed the Dream Heavyweight Championship by defeating Todd Duffee at Dream 9 on May 26, 2009. Overeem, known for his striking prowess, showcased his dominance in the fight, utilizing his superior technique and power to overpower Duffee. With this victory, Overeem solidified his status as a top contender in the heavyweight division and set the stage for future championship success.